Zip Code 98177
Seattle, Washington — King County
📍 ZIP code 98177 is in Seattle, King County, Washington.
ZIP code 98177 is located in Seattle, King County, Washington. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 20,506. The area code for ZIP code 98177 is 206.
Quick Answer
Zip code 98177 is in Seattle, Washington (King County). It has a population of 20,506, median household income of $162,607, and median home value of $995,700.
Population
20,506
Income
$162,607
Home Value
$995,700
Climate
77°F / 37°F
About Zip Code 98177
Zip code 98177 is located in Seattle, Washington, within King County. Home to approximately 20,506 residents, this area sits at an elevation of 192 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 206.
The median household income is $162,607 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $995,700, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 77°F while winters drop to 37°F. The area receives about 38 in of rain and 4 in of snow annually. The zip code covers 5.7 square miles of land area and 1.4 square miles of water.
Key Statistics
20,506
$162,607
$995,700
Pacific (PST/PDT)
206
192 ft
5.7 sq mi
47
8,178
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Compare With Nearby Zip Codes
| Metric | 98177 | 98133 | 98155 | 98117 | 98125 | 98020 |
|---|---|---|---|---|---|---|
| City | Seattle, WA | Seattle, WA | Lynnwood, WA | Seattle, WA | Lynnwood, WA | Edmonds, WA |
| Population | 20,506 | 52,620 | 35,906 | 35,147 | 43,807 | 19,064 |
| Median Income | $162,607 | $92,371 | $131,911 | $182,500 | $96,725 | $122,243 |
| Home Value | $995,700 | $719,100 | $758,000 | $1,028,100 | $844,500 | $959,200 |
| Cost of Living | 250 | 193 | 219 | 250 | 221 | 244 |
| Median Age | 47 | 39.4 | 40.5 | 39.8 | 37.8 | 51.2 |
Cost of Living
100 = National Average. Seattle's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
6.1x
Demographics
Zip code 98177 has a population of 20,506 people with a median age of 47. There are 8,178 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Seattle (98177) population trend from 2010 to 2024
↑ 24.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
77°F
37°F
38 in
4 in
Seattle experiences mild summers with average highs around 77°F. Winters are mild with lows averaging 37°F. The area receives about 4 in of snow per year.
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Housing & Economy
Median Home Value
$995,700
Median Household Income
$162,607
With 8,178 housing units across 5.7 square miles, 98177 has a housing density of 1,435 units per square mile. The home price-to-income ratio is 6.1x.
Location & Geography
Latitude
47.7423°
Longitude
-122.3766°
Land Area
5.7 sq mi
Water Area
1.4 sq mi
Nearby Zip Codes
Zip codes closest to 98177 (Seattle, WA) with distances:
All Zip Codes in Seattle, WA
Other zip codes serving Seattle:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 98177's $162,607. A way to compare Seattle to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 98177 (Seattle, WA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Seattle, Washington?
Seattle, Washington uses zip code 98177 along with 12 other zip codes.
What county is zip code 98177 in?
Zip code 98177 is located in King County, Washington.
What is the population of zip code 98177?
The population of zip code 98177 is 20,506 with a median age of 47.
Is 98177 in Seattle, Washington?
Yes, zip code 98177 is in Seattle, King County, Washington. The area code is 206.
Frequently Asked Questions
What city is zip code 98177 in?
Zip code 98177 is in Seattle, Washington. It is part of King County and uses the Pacific (PST/PDT) timezone.
What is zip code 98177?
Zip code 98177 is a U.S. postal code in Seattle, Washington (King County). It has a population of 20,506 and covers 5.7 square miles.
What is the population of zip code 98177?
The population of zip code 98177 (Seattle, WA) is 20,506 with a median age of 47. There are approximately 8,178 housing units in this area.
What is the median income in zip code 98177?
The median household income in zip code 98177 (Seattle, WA) is $162,607 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 98177?
The median home value in zip code 98177 (Seattle, WA) is $995,700. The cost of living index is 250 compared to the national average of 100.
What county is zip code 98177 in?
Zip code 98177 is located in King County, Washington. The primary city is Seattle.
What is the area code for zip code 98177?
Zip code 98177 in Seattle, WA uses area code 206. It is located in the Pacific (PST/PDT) timezone.
Is zip code 98177 a good place to live?
Zip code 98177 (Seattle, WA) has a cost of living index of 250 (100 = national average), a median household income of $162,607, and median home values of $995,700. The median age is 47. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 98177?
The cost of living index for zip code 98177 (Seattle, WA) is 250, where 100 represents the national average. This area is above the national average. Median home value: $995,700.
What schools serve zip code 98177?
Zip code 98177 in Seattle, Washington is served by the local school district of King County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.